OE Quality
60-Day Returns

Denso 234-4705 Oxygen Sensor - Downstream
Overview of the Denso OE Style Oxygen Sensor 234-4705
The Denso OE Style Oxygen Sensor 234-4705 is designed specifically for Nissan vehicles including the 200SX, 240SX, Altima, and Sentra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine control unit.
- Heated sensor type for faster response times
- Specific fit for Nissan 200SX, 240SX, Altima, and Sentra
- 12.20-inch wiring harness length for proper installation
- Four-wire configuration with male connector
- Threaded mounting type with 0.708-inch thread diameter
Detailed Features and Specifications
The Denso 234-4705 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. It has a 12.20-inch wiring harness length, providing sufficient reach for installation in the specified Nissan models. The sensor uses a four-wire design with a male connector, ensuring compatibility with the vehicle’s wiring harness. Its threaded mounting type with a 0.708-inch thread diameter allows for secure and precise installation in the exhaust system.
About the OE Style Product Line
The Denso OE Style product line is engineered to meet original equipment specifications, offering a direct replacement for factory-installed parts. This ensures that the 234-4705 oxygen sensor maintains the performance and reliability expected from Nissan’s original components. The OE Style line focuses on delivering parts that match the fit, form, and function of the original sensor, making it a suitable choice for maintaining vehicle emissions compliance.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve rough idling and engine hesitation caused by faulty sensors
- Reduces increased emissions and failed emissions tests
- Improves fuel efficiency by providing correct feedback to the engine control unit
- Eliminates check engine light codes related to oxygen sensor malfunction
Installation Notes and Tips
When installing the Denso 234-4705 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the four-wire male connector matches the vehicle’s harness before installation. Thread the sensor carefully into the exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.
Quality Assurance and Warranty
Denso manufactures the 234-4705 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. The OE Style line is designed to match original equipment specifications, providing confidence in fit and function. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.
| Brand | Denso |
|---|---|
| Part Number | 234-4705 |
| Position | OE Style, Downstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 12.20 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Nissan | Altima | Downstream | OE Style |
| 1999 | Nissan | Sentra | Downstream | OE Style |
| 1998 | Nissan | 200SX | Downstream | OE Style |
| 1998 | Nissan | 240SX | Downstream | OE Style |
| 1998 | Nissan | Altima | Downstream | OE Style |
| 1998 | Nissan | Sentra | Downstream | OE Style |
| 1997 | Nissan | 200SX | Downstream | OE Style |
| 1997 | Nissan | 240SX | Downstream | OE Style |
| 1997 | Nissan | Altima | Downstream | OE Style |
| 1997 | Nissan | Sentra | Downstream | OE Style |
| 1996 | Nissan | Altima | Downstream | To 02/96; Calif.; OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.